/Engine/Plugins/Online/OnlineSubsystem/Source/Public/Interfaces/OnlineTurnBasedInterface.h
Get the outcome of the match (won/lost/quit/etc.) for the player with PlayerIndex
virtual [EMPMatchOutcome::Outcome](API\Plugins\OnlineSubsystem\Interfaces\EMPMatchOutcome__Outcome) GetMatchOutcomeForPlayer ( int32 PlayerIndex ) const